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Pyrorefining process
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Patent number 11,827,953
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Issue date Nov 28, 2023
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METALLO BELGIUM
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Bert Coletti
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Copper/tin/lead production
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Patent number 11,767,576
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Issue date Sep 26, 2023
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METALLO BELGIUM
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Bert Coletti
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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Solder production process
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Patent number 11,746,395
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Issue date Sep 5, 2023
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METALLO BELGIUM
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Bert Coletti
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Copper production process
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Patent number 11,739,394
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Issue date Aug 29, 2023
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METALLO BELGIUM
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Bert Coletti
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR